What are some notable wine regions in Austria?

Austria is home to diverse grape growing areas which differ in soil and varieties of grapes used during the production process. The Wachau Valley is known for the terraced vineyards with steep slopes that plunge directly into the Danube Rivervineyards which yield delicate Grüner Veltliner and Riesling wines. Kamptal, a region north of Vienna that is famous, for its mineral Rieslings and Rieslings is home to mineral-driven Grüner Veltliner and expressive Rieslings. Also in the east Burgenland is able to offer pick among the most exquisite red wines of the area such as the blaufränkisch and e.g. zweigelt.